JP2521285Y2 - Bicycle pedals - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a bicycle pedal, and more particularly, to a pedal that can be folded in order to reduce the overall width when the bicycle is transported, stored or parked. It is intended to improve the handling property and the durability as well as to reduce the manufacturing cost.

[0002]

2. Description of the Related Art The most advanced foldable pedals are disclosed in Japanese Utility Model Publication No. Sho 62-26304 and Japanese Utility Model Laid-Open Publication No. 1-15.
No. 2892, or Japanese Utility Model Laid-Open No. 58-1
The one disclosed in Japanese Patent No. 58792 and the like are generally known so far. In Japanese Utility Model Publication No. 62-26304, an auxiliary frame is rotatably attached to a base of a pedal main frame by a support shaft, and the support shaft provided on the auxiliary frame is locked. The auxiliary frame is supported by a strip-shaped locking button metal that passes through an introduction path leading to the circular locking groove and enters the circular locking groove.

In Japanese Utility Model Laid-Open No. 1-152892, a bush is projected on one of the pedal main body and the auxiliary body, and sliding pins are projected on both left and right ends of the bush, and the other is formed on the bush. A rail having a long groove and a hook, which is attached to the pedal main body or the auxiliary body side, is configured by fitting the long groove rotatably and slidably with respect to the sliding pin, and the bush in the other lumen. While being fitted, the hook is attached to the other pedal main body or the auxiliary body side. Further, the one disclosed in Japanese Utility Model Laid-Open No. 58-158792 has a structure in which it can be folded at right angles from a shoulder portion.

[0004]

However, in the structure disclosed in Japanese Utility Model Publication No. 62-26304, the pedaling force from above is applied to the horizontal direction of the strip-shaped locking button metal. Since most of the bearings are supported by the contact surfaces between the both end surfaces and the circular locking groove provided in the auxiliary frame, rattling is likely to occur and durability is somewhat insufficient. In addition, in the one disclosed in Japanese Utility Model Laid-Open No. 1-152892, not only the structure is complicated and the cost becomes high, but also the engagement by the sliding pin is likely to be incomplete due to repeated use, and the durability is also improved. Was not enough. Furthermore, even the one disclosed in Japanese Utility Model Laid-Open No. 58-158792 was not sufficiently satisfactory as the final width of the bicycle.

[0005]

SUMMARY OF THE INVENTION In the present invention, therefore, the various problems in the prior art described above are solved, the width of the bicycle when the pedal is folded is sufficiently reduced, and the structure is simplified and handled. In order to improve the durability and durability and to reduce the manufacturing cost, specifically, in a pedal which is attached to the drive crank by the main shaft and is foldable from the shoulder, the pedal is On both left and right shoulders, stepped sliding buttons with small diameter tips are attached so that they can be retracted in the direction intersecting with the main shaft, and they are urged in opposite directions. A pedal main body provided with an attachment portion is formed into a substantially U shape, and rotary shaft holes formed at both ends of the U-shaped opening are rotatably attached to a sliding button of the pedal main body, An auxiliary frame in which an engaging plate that can be engaged is protruded from an engaging portion mainly composed of a dull, and further slits are formed from the rotation shaft hole toward the free end direction at intervals substantially equal to the diameter of the small diameter portion of the sliding button. The present invention relates to a bicycle pedal composed of a body.

[0006]

[Function] The stepped sliding buttons provided on the left and right shoulders mainly of the pedal are pressed and retracted in the directions approaching each other, and the small diameter portion of the tip is aligned with the slit of the auxiliary frame body, and the state When the auxiliary frame is pressed from the rear in the main shaft mounting direction of the pedal body, the auxiliary frame slides in the main shaft mounting direction while moving the sliding button from the circular rotary shaft hole into the slit that follows it. . Due to this movement, the engaging plate of the auxiliary frame is disengaged from the engaging part mainly of the pedal, and the auxiliary frame is vertically (horizontally) within the range of 90 degrees from the main shaft of the pedal main body with the slide button as a fulcrum. Can be moved. When the auxiliary frame is released in this state, the free end of the auxiliary frame hangs downward at a right angle with the sliding button as a fulcrum by its own weight.

In the case of reassembling in reverse, after pulling up the free end of the auxiliary frame until it becomes parallel to the main shaft of the pedal, the free end is pulled in the direction opposite to the mounting direction of the main shaft. It moves from the slit of the auxiliary frame into the circular rotary shaft hole, the sliding buttons project in mutually opposite directions (outward), and the thick part projects and fits into the circular rotary shaft hole of the auxiliary frame. At the same time, the engaging plate is engaged with the engaging portion mainly composed of the pedal to complete the assembly.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The specific contents of the present invention will be described below with reference to the illustrated embodiment. In the drawings, reference numeral 1 denotes a pedal main body, and 9 denotes an auxiliary frame. The pedal main body 1 has a main shaft 8 attached to a drive crank (not shown) as a center, and has left and right shoulders 2.2 and engaging portions 7.7 at left and right ends of its free ends (opposite to the main shaft 1). .7.7 in one piece. The main shaft 8 is attached to the left and right shoulders 2.2.
Directions that intersect with and are opposite to each other (outward)
Button holes 3 are formed in the button holes 3 in which the stepped sliding buttons 5.5 having a small diameter portion 6 at the tip end via springs 4 in opposite directions (outward direction). ) Is attached so that it can appear and disappear freely while being urged toward.

The auxiliary frame 9 is substantially U-shaped and has rotary shaft holes 10 formed at both ends of the U-shaped opening. The rotary frame holes 10 are rotatably fitted to the outer periphery of the slide button 5. The auxiliary frame body 9 is rotatably supported by the pedal main body 1 as a result. Further, slits 11 are formed from the rotary shaft hole 10 toward the free end direction of the auxiliary frame body at intervals substantially equal to the diameter of the small diameter portion 6 of the sliding button 5, and on both left and right sides of the auxiliary frame body 9. A pair of guide frames 12a, which extend inward in the horizontal direction from the upper edge and the lower edge, which are continuous from the central portion in the direction of the rotary shaft hole 10, and whose tip portions are bent in mutually facing directions. The engagement plate 12 of
It is also formed at vertically symmetrical positions.

With the above-described structure, the step-shaped sliding buttons 5.5 provided on the left and right shoulders 2.2 of the pedal main body 1,
The small diameter portions 6.6 at the tips are aligned with the slits 11.11 of the auxiliary frame body 9 in such a manner that they are compressed and retracted in a direction in which they approach each other. When pushed in the mounting direction of 8, the auxiliary frame 9 pushes the sliding button 5.5 into the circular rotary shaft hole 10.10.
From the following to the slit 11.11 while sliding in the mounting direction of the main shaft 8. By this movement, the engagement plate 12.12.12.1 of the auxiliary frame body 9
2 is disengaged from the engaging portion 7.7 of the pedal main body 1 and the auxiliary frame 9 is moved up and down (left and right) from the main shaft 8 of the pedal main body 1 within the range of 90 degrees with the sliding button 5.5 as a fulcrum. It can be moved within. When the auxiliary frame 9 is released in this state, the free end of the auxiliary frame 9 hangs down at a right angle with the sliding button 5.5 serving as a fulcrum.

When assembling in reverse, the auxiliary frame 9
After pulling up the free end of the shaft until it becomes parallel to the main shaft 8 of the pedal main body 1 and pulling the free end in the direction opposite to the mounting direction of the main shaft 8, the sliding button 5.5 causes the slit 11. Move from 11 into the circular shaft hole 10.10,
The sliding buttons 5.5 project in mutually opposite directions (outward), and their thick portions project into and fit into the circular rotary shaft holes 10.10 of the auxiliary frame body 9, and at the same time, the engaging plate 12.12.12.12 is the engaging portion of the pedal main body 1.
Complete the assembly by attaching to 7.7.7.
7a indicates a stopper.

[0012]

As described above, the present invention relates to a pedal which is attached to the drive crank by the main shaft and is foldable from the shoulder portion. The pedal has a stepped shape having a small diameter portion at the tip on both left and right shoulder portions thereof. The sliding button is mounted so as to be retractable in the direction intersecting with the main shaft and is urged in the directions opposite to each other. The sliding button has a substantially U-shape with respect to the pedal main body, and rotary shaft holes formed at both ends of the U-shape opening. Since the sliding button mainly composed of the pedal is rotatably attached to the pedal, the pedal can be folded to reduce the overall width when the bicycle is transported or stored, or when the bicycle is parked. Furthermore, even if the stopper is damaged during use, the pedal will not be inadvertently folded, and if the auxiliary frame is slid in the main axis direction, the engagement plate will move within the rotation locus of the drive crank. The pedal cannot reach the folded position because it gets in and the drive crank itself acts as a stopper, which is very safe.

Not only that, the engaging portions are provided at both left and right ends of the pedal-based free end side, and the auxiliary frame body is provided with protruding engaging plates that can be engaged with the pedal-based engaging portions. Moreover, since the slits are formed from the rotary shaft hole toward the free end in a distance substantially equal to the diameter of the small diameter portion of the slide button, the pedaling force from above is applied to the rotary shaft of the slide button mainly composed of the pedal and the auxiliary frame. In addition to the holes, the auxiliary frame is firmly attached to the pedal main body because the auxiliary frame is attached to the pedal main body by the engagement plate. It has various beneficial effects such as excellent durability and handleability, a simplified structure, and a reduction in manufacturing cost.

[Brief description of drawings]

FIG. 1 is a plan view showing a half section of a bicycle pedal according to one embodiment of the present invention.

FIG. 2 is a side view of the bicycle pedal shown in FIG. 1;

FIG. 3 is a rear view showing a part of the cross section in the direction of arrow AA in the drawing.

FIG. 4 is a side view of a state in which the pedal in the state of FIG. 2 is folded.

[Explanation of symbols]

 1 Pedal Main Body 2 Shoulder Part 3 Button Hole 4 Spring 5 Sliding Button 6 Small Diameter Part 7 Engagement Part 7a Stopper 8 Spindle 9 Auxiliary Frame Body 10 Rotation Shaft Hole 11 Slit 12 Engagement Plate 12a Guide Frame

Claims (1)

(57) [Scope of utility model registration request] 1. A main shaft mounted on a drive crank,
In a pedal that is foldable from a shoulder portion, the pedal has a step-like sliding button having a small diameter portion at its tip on both left and right shoulder portions thereof so as to be retractable in the direction intersecting with the main shaft, and yet to oppose each other. Direction, and the pedal main body is provided with engaging portions on the left and right ends of the free end side,
Rotating shaft holes formed in both ends of the U-shaped opening are rotatably attached to the sliding button mainly of the pedal, and an engaging plate that can be engaged with the engaging portion of the pedal is projected. A bicycle pedal, comprising: an auxiliary frame body which is provided and further has slits formed in the free end direction from the rotary shaft hole at intervals substantially equal to the diameter of the small diameter portion of the slide button.